I've gotten myself a little confused about calculating pump flow. For example, I have a Mag12 that is rated for 1200GPH that I would like to split into 3 returns. If each of those returns is 1/2" (to total the 1 1/2" recommendation for this pump) will each of those 1/2" returns get 1200GPH or will it be reduced by 1/3 so each return is getting aprox 400GPH?
Thx!
Thx!